次のエラーが発生しました.
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service"and "journalctl -xe"for details.
journalctl-xeの実行
Jul 08 16:35:15 iZ25ds1pw6kZ dockerd[30473]: time="2020-07-08T16:35:15.853996603+08:00"level=info msg="Creating filesystem xfs on device docker-253:1-528408-base, mkfs args: [-m crc=0,finobt=0/dev/mapper/docker-253:1-528408-base]"storage-driver=devicema Jul 08 16:35:15 iZ25ds1pw6kZ dockerd[30473]: time="2020-07-08T16:35:15.855213120+08:00"level=info msg="Error while creating filesystem xfs on device docker-253:1-528408-base: exit status 1"storage-driver=devicemapper Jul 08 16:35:15 iZ25ds1pw6kZ dockerd[30473]: time="2020-07-08T16:35:15.855246005+08:00"level=error msg="[graphdriver] prior storage driver devicemapper failed: exit status 1" 
次のエラーが発生しました.
Error while creating filesystem xfs on device

解決策

yum install xfsprogs -y

起動docker正常